Rosario, Argentina · UTC-3
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Rosario is in the Argentina Time timezone (ART/UTC-3), observed year-round with no daylight saving. Argentina’s third-largest city shares this fixed offset with Buenos Aires.
Two people born in Rosario have become globally recognized symbols of Argentina in different registers. Ernesto “Che” Guevara was born here in 1928 and went on to become an icon of revolutionary politics. Lionel Messi was born here in 1987 and became the greatest footballer of his generation. The city holds both figures with equal pride.
Argentina runs on Argentina Time, UTC-3, year-round without daylight saving. Argentina abolished DST in 2008 after years of inconsistent application. Rosario shares the fixed UTC-3 offset with Buenos Aires to the southeast.
the Paraná waterfront and city character
Rosario sits on the western bank of the Paraná River, the second-longest river in South America. The waterfront has been transformed in recent decades from industrial docks to parks and promenades. The Paraná Delta begins south of the city, spreading into the maze of islands and channels that define the approach to Buenos Aires.
At 33 degrees south, Rosario’s seasons are reversed but significant. January is hot, humid, and Argentina’s summer. June is cool and short-dayed. The city is flat, open to the pampas winds in winter. The nightlife, characteristic of Argentine cities, runs late regardless of season.
9am in Rosario is noon in London.
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Questions about time in Rosario
- What timezone is Rosario in?
- Rosario uses the IANA timezone
America/Argentina/Buenos_Aires. The UTC offset is always UTC-3 — this timezone does not observe daylight saving time. - Does Rosario observe daylight saving time?
- No. Rosario does not observe daylight saving time. The UTC offset remains UTC-3 all year round.
- What is the current UTC offset for Rosario?
- Rosario is currently at UTC-3.
- What is the time difference between Rosario and New York?
- Rosario is currently 1 hour ahead of New York.
- What is the time difference between Rosario and London?
- Rosario is currently 4 hours behind London.
- What is the time difference between Rosario and Los Angeles?
- Rosario is currently 4 hours ahead of Los Angeles.
- What is the time difference between Rosario and Tokyo?
- Rosario is currently 12 hours behind Tokyo.
- What is the IANA timezone name for Rosario?
- The IANA timezone database identifier for Rosario is
America/Argentina/Buenos_Aires. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/Argentina/Buenos_Aires' })`), Python (`pytz.timezone('America/Argentina/Buenos_Aires')`), or any IANA-compatible library.